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Finding the Fourth Proportional to 374,627.80, 561,941.70 and 262,434.70

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Solution

The fourth proportional to 374,627.80, 561,941.70 and 262,434.70 is: 393,652.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,627.80 : 561,941.70 = 262,434.70 : x
  2. Step 2: Convert to fraction form
    374,627.80/561,941.70 = 262,434.70/x
  3. Step 3: Cross multiply
    374,627.80x = 561,941.70 × 262,434.70
  4. Step 4: Simplify right side
    374,627.80x = 147,473,001,456.99
  5. Step 5: Solve for x
    x = 147,473,001,456.99/374,627.80
  6. Step 6: Final answer
    x = 393,652.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.